Internet Archive collection to IIIF collection manifest script

ia_to_iiif_collection.rb

#!/usr/bin/env ruby

require 'oai'
require 'pry'
require 'json'

collection = ARGV.first

manifest = {
  "@context" => "http://iiif.io/api/presentation/2/context.json",
  "@id" => "https://fromthepage.com/iiif/collection/5",
  "@type" => "sc:Collection",
  "label": "IIIF Collection for #{collection}",
  "manifests" => []
}


items = []

client = OAI::Client.new 'http://www.archive.org/services/oai.php', :headers => { "From" => "[email protected]" }

response = client.list_records(:set => "collection:#{collection}")
loop do 
  response.each do |record|
    if record.metadata.elements['.//dc:identifier']
      details_id = record.metadata.elements['.//dc:identifier'].text
      book_id = details_id.sub(/^.*\//,'')
      iiif_id = "https://iiif.archivelab.org/iiif/#{book_id}/manifest.json"
      title = record.metadata.elements['.//dc:title'].text
      items << 
      {
        "@id" => iiif_id,
        "@type"=> "sc:Manifest",
        "label"=> title
      }
    end
  end
  break if response.resumption_token.nil?
  response = client.list_records(:resumption_token => response.resumption_token)
end

manifest["manifests"]=items

print manifest.to_json(pretty: true)

# https://archive.org/services/collection-rss.php?collection=middleburycollege

# https://archive.org/details/middleburycollege?and[]=mediatype%3A%22texts%22
# turns to
#